Today, with the rapid development of fingerprint technology, fingerprint lock is also widely used in all walks of life, whether in the financial industry or the service industry has an obvious trend. The high penetration rate of fingerprint locks in modern families in Europe and America is still relatively low in China, because the present fingerprint locks are still in the stage of development, there is still a big gap in the stage of full popularity, so it is not common, but with the deepening of consumer awareness of fingerprint locks, fingerprint locks have market demand, fingerprint locks naturally. It will be popularized.

From the major building materials market and hardware market can be found mechanical lock or protagonist, only sporadic fingerprint lock appears in some high-end building materials in the popularization of demand has not been stimulated, which also gives many fingerprint lock brand manufacturers and investors to enter the opportunity. As we all know, fingerprint lock has the trend of popularization because fingerprint lock has higher security performance than other traditional mechanical lock, password lock and induction lock, and has the advantages of convenience, quickness, non-reproducibility and security. But in the domestic market, it is still in the stage of popularization to be educated. Some consumers still have a blank understanding of fingerprint lock.

Popularization of scientific knowledge is an important part of the implementation of primary education, it helps to better help pupils understand and understand the objective world; closely following the pace of the times, primary education is also the foundation of the entire education, learning knowledge and growing vigorous period. The pupils'desire for knowledge of the unknown, curiosity to ask what questions, they like water sponge, constantly absorbing a variety of knowledge. Pupils have strong memory, good recitation, and can remember things with interest.

Textbook "not afraid of losing the key" a detailed introduction to the content of fingerprint lock knowledge, so that children know from an early age fingerprint lock knowledge so that they can have a scientific perspective to explore society and life, and thus reflect the value of primary school science education. To meet the dual development of students and society.